Studying the effect of over-modulation on the output voltage of three-phase single-stage grid-connected boost inverter

A. Abbas Elserougi; A. S. Abdel-Khalik; A. Massoud; S. Ahmed

doi:10.1016/j.aej.2013.05.006

Studying the effect of over-modulation on the output voltage of three-phase single-stage grid-connected boost inverter

A. Abbas Elserougi, A. S. Abdel-Khalik, A. Massoud, S. Ahmed

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Voltage boosting is very essential issue in renewable-energy fed applications. The classical two-stage power conversion process is typically used to interface the renewable energy sources to the grid. For better efficiency, single-stage inverters are recommended. In this paper, the performance of single-stage three-phase grid-connected boost inverter is investigated when its gain is extended by employing over-modulation technique. Using of over-modulation is compared with the employment of third order harmonic injection. The latter method can increase the inverter gain by 15% without distorting the inverter output voltage. The performance of extended gain grid-connected boost inverter is also tested during normal operation as well as in the presence of grid side disturbances. Simulation and experimental results are satisfactory. © 2013 Production and hosting by Elsevier B.V.

Original language	English (US)
Journal	Alexandria Engineering Journal
Volume	52
Issue number	3
DOIs	https://doi.org/10.1016/j.aej.2013.05.006
State	Published - Jan 1 2013
Externally published	Yes

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10.1016/j.aej.2013.05.006

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title = "Studying the effect of over-modulation on the output voltage of three-phase single-stage grid-connected boost inverter",

abstract = "Voltage boosting is very essential issue in renewable-energy fed applications. The classical two-stage power conversion process is typically used to interface the renewable energy sources to the grid. For better efficiency, single-stage inverters are recommended. In this paper, the performance of single-stage three-phase grid-connected boost inverter is investigated when its gain is extended by employing over-modulation technique. Using of over-modulation is compared with the employment of third order harmonic injection. The latter method can increase the inverter gain by 15% without distorting the inverter output voltage. The performance of extended gain grid-connected boost inverter is also tested during normal operation as well as in the presence of grid side disturbances. Simulation and experimental results are satisfactory. {\textcopyright} 2013 Production and hosting by Elsevier B.V.",

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AU - Abdel-Khalik, A. S.

AU - Massoud, A.

AU - Ahmed, S.

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AB - Voltage boosting is very essential issue in renewable-energy fed applications. The classical two-stage power conversion process is typically used to interface the renewable energy sources to the grid. For better efficiency, single-stage inverters are recommended. In this paper, the performance of single-stage three-phase grid-connected boost inverter is investigated when its gain is extended by employing over-modulation technique. Using of over-modulation is compared with the employment of third order harmonic injection. The latter method can increase the inverter gain by 15% without distorting the inverter output voltage. The performance of extended gain grid-connected boost inverter is also tested during normal operation as well as in the presence of grid side disturbances. Simulation and experimental results are satisfactory. © 2013 Production and hosting by Elsevier B.V.

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JO - Alexandria Engineering Journal

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ER -

Studying the effect of over-modulation on the output voltage of three-phase single-stage grid-connected boost inverter

Abstract

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